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The daily intrinsic flood on a gamma camera shows a new cold vertical band that is not present on the previous day's flood. The first study is a parathyroid SPECT/CT. What is the best action?
Use the camera because SPECT reconstruction removes flood-field defects.
Acquire extra views and let the physician decide after interpretation.
Mask the defective pixels manually and scan the patient.
Remove the camera from clinical use until the uniformity defect is corrected or use another validated system.
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